Thumb grip for handle of food product container



FIG. 1 is a perspective view from above rotated one-quarter turn from the front of the thumb grip for handle of food product container in accordance with my design;

FIG. 2 is a left side elevation view thereof in accordance with my design;

FIG. 3 is a front elevation view thereof in accordance with my design;

FIG. 4 is a right side elevation view thereof in accordance with my design; and,

FIG. 5 is a top plan view thereof in accordance with my design.

The dotted lines in FIGS. 1-5 indicate environment and form no part of the claimed subject matter. 

The ornamental design for a thumb grip for handle of food product container, as shown and described. 